import static  java.lang.Math.*;
/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: lenovo
 * Date: 2022-06-25
 * Time: 11:12
 */
public class Test0 {
    public static void main(String[] args) {
//        //静态导入的方式写起来更方便一些
//        double result = Math.sqrt(Math.pow(2, 2) + Math.pow(2, 2));
//        System.out.println(result);
        double result = sqrt(pow(2, 2) + pow(2, 2));
        System.out.println(result);
    }
}
